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Fixed course status update error and changed poll interval to 15 mins

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This commit is contained in:
Kevin Dao
2018-09-08 19:14:02 -05:00
parent 998a74d161
commit 0217eca623
1 changed files with 20 additions and 15 deletions
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35
js/background.js
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@@ -196,30 +196,35 @@ function updateTabs() {
}); });
} }
setInterval(updateStatus, 2000); const UPDATE_INTERVAL = 1000 * 60 * 15 // 15 mins
setInterval(updateStatus, UPDATE_INTERVAL);
function updateStatus() { function updateStatus() {
chrome.storage.sync.get('savedCourses', function (data) { chrome.storage.sync.get('savedCourses', function (data) {
var courses = data.savedCourses; var courses = data.savedCourses;
for (let i = 0; i < courses.length; i++) { for (let i = 0; i < courses.length; i++) {
let c = courses[i]; try {
var xhr = new XMLHttpRequest(); let c = courses[i];
xhr.open("GET", c.link, false); var xhr = new XMLHttpRequest();
xhr.send(); xhr.open("GET", c.link, false);
let result = xhr.responseText; xhr.send();
let dummy = document.createElement('html'); let result = xhr.responseText;
dummy.innerHTML = result; let dummy = document.createElement('html');
let newstatus = dummy.querySelector('[data-th="Status"]').textContent; dummy.innerHTML = result;
let registerlink = dummy.querySelector('td[data-th="Add"] a'); let newstatus = dummy.querySelector('[data-th="Status"]').textContent;
if(registerlink){ let registerlink = dummy.querySelector('td[data-th="Add"] a');
registerlink = registerlink.getAttribute('href'); if(registerlink){
registerlink = registerlink.getAttribute('href');
}
c.registerlink = registerlink;
c.status = newstatus;
} catch (e) {
console.log('Not logged into UT Coursebook. Could not update class statuses.');
} }
c.registerlink = registerlink;
c.status = newstatus;
} }
chrome.storage.sync.set({ chrome.storage.sync.set({
savedCourses: courses savedCourses: courses
}); });
console.log("updated status' and registerlinks"); // console.log("updated status' and registerlinks");
}); });
} }